Magician David Blaine and Harvey Weinstein in “serious conversation while” walking through the Stein Ericksen Lodge at the film festival in Park City, Utah . . . GUY Pearce at a cast party for his Sundance film “Breathe In,” talking food with Ken & Cook managing partner Artan Gjoni at the NoLIta hot spot’s Park City pop-up outpost . . . SCOOTER Braun raising more than $21,000 for charity Pencils of Promise by bartending at Rock and Reilly’s in his pajamas during the NFL playoffs Sunday at the film festival.